Home / 23,122.56-31,910.57-13,047.33

Finding the Fourth Proportional to 23,122.56, 31,910.57 and 13,047.33

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Solution

The fourth proportional to 23,122.56, 31,910.57 and 13,047.33 is: 18,006.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,122.56 : 31,910.57 = 13,047.33 : x
  2. Step 2: Convert to fraction form
    23,122.56/31,910.57 = 13,047.33/x
  3. Step 3: Cross multiply
    23,122.56x = 31,910.57 × 13,047.33
  4. Step 4: Simplify right side
    23,122.56x = 416,347,734.53
  5. Step 5: Solve for x
    x = 416,347,734.53/23,122.56
  6. Step 6: Final answer
    x = 18,006.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.